<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<center>
  <!--colspan 跨列 按行-->
  <table border="1">
    <tr>
      <td>1-1</td>
      <td>1-2</td>
      <td>1-3</td>
      <td rowspan="3">1-4</td>
    </tr>
    <tr>
      <td>2-1</td>
      <td>2-2</td>
      <td>2-3</td>

    </tr>
    <tr>
      <td colspan="3" align="center">3-1</td>

    </tr>
  </table>
  <table border="1">
    <tr>
      <td colspan="2">1-1</td>

      <td>1-3</td>

    </tr>
    <tr>
      <td rowspan="2">2-1</td>
      <td>2-2</td>
      <td>2-3</td>

    </tr>
    <tr>
      <td colspan="2">3-2</td>

    </tr>
  </table>
  <table border="1">
    <caption>购物车</caption>
    <tr>
      <th>编号</th>
      <th>商品名称</th>
      <th>价格</th>
    </tr>
    <tr>
      <td>1</td>
      <td>脉动</td>
      <td>4元</td>
    </tr>
    <tr>
      <td>1</td>
      <td>红牛</td>
      <td>6元</td>
    </tr>
    <tr>
      <td>1</td>
      <td>东鹏特饮</td>
      <td>5元</td>
    </tr>
    <tr>
      <th colspan="2">总价</th>
      <td>15元</td>

    </tr>

  </table>

</center>
</body>
</html>